00621nam a2200205Ia 4500001000700000003000500007005001700012008004100029035002000070040001800090050001600108100005000124245005500174250001900229260004900248300001900297490004700316504003100363650002100394106610BIBL20191217022725.0750723s1965    xx            000 0 eng d  a(OCoLC)01470590  aACMcACMdm/c0 aB818b.M46310aMelsen, Andreas Gerardus Maria Vanwdn2Local10aEvolution and philosophycby Andrew G. van Melsen.  a[American ed.]0 aPittsburgh, Duquesne University Pressc1965.  a208 p.c27 cm. 0aDuquesne studies. Philosophical series, 19  aBibliographical footnotes. 0aEvolution2Local